General highway and transportation map, Carroll County, Indiana
Blueline. 'State roads revised to January 1, 1949.' '1937.' 'Data obtained from 'Statewide Highway Planning Survey.' '8.' Includes location map and chart of 'Culture in unincorporated places.' Scale approximately 1:130,000. Not '1 inch =1 mile'; Polyconic projection Prepared by the State Highway Commission of Indiana in cooperation with the U.S. Department of Agriculture, Bureau Public Roads.